View source for EC1621 Rotation LED Electronic Clock


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== Feature ==
* PCB parameter: 110.4 x 34 x 1.6mm (Blue)
* Parameter with case: 122.8 x 51.4 x 29mm
* Digital Tube working voltage: DC 5V
* Operating Current: around 50MA

== Function ==
* Exact timing: Adopts DS3231 chips, official said the accuracy comes to 2PPM.
* Chime on every hour: User can set the hour time randomly and choose the ring you like.
* Dual Alarm clock: Dual independent alarm clock, user can set the duration and ring.
* Temperature: It has the Centigrade and the Fahrenheit, which can be calibrated.
* Intelligent light control: It can lower the brightness when gets dark, user can set the light control level (total 5 level) according to preferences.
* 12-hour/ 24-hour display
* Display by circle: The Time, Tempreture, Date and Week display in circle. It only shows time when you close the circle display.

== Packing List ==
* 1 x Battery Holder
* 1 x Battery 
* 1 x Capacitor(Cap3)
* 2 x Capacitor(104)
* 4 x nixie tube
* 1 x Loudspeaker
* 1 x PNP transister
* 8 x Resistor(470R)
* 5 x Resistor(20K)
* 1 x photoresistor
* 1 x thermistor
* 2 x switch
* 1 x MCU
* 1 x 28 PIN holder
* 1 x RTC IC
* 1 x USB seat
* 1 x Power line
* 1 x PCB Board

== Clock Setting ==
[[File:DIY-EC1621-DS3231-Clock-setting.jpg|600px]]

== Document ==
* [[File:Components-List.zip]]
* [[File:DS3231.zip]]
* [[File:EC1621 Component List.pdf]]
* [[File:EC1621A_V0_Principle_Diagram.pdf]]
* [[File:MF58_503J3950.zip]]
* [[File:Schematic-Diagram.zip]]

[[Category:Product Manual]]
[[Category:Arduino]]
[[Category:Consumer Electronics]]